Canon LBP3310 User Manual page 122

NOTE
To print paper with letterheads or logos, see "Paper Loading Orientation" (p. 3-49)
and load the paper in the proper orientation.
6
Align the paper guides with the width of the paper.
IMPORTANT
Be sure to align the paper guides with the width of the paper. If the paper guides
are too loose or too tight, this may result in misfeeds or paper jams.
Register the size of the loaded custom size paper using the following procedure.
If printing custom size paper, you need to register the custom paper size in the
printer driver previously.
Loading Paper in the Multi-purpose Tray
3
3-45